Results 171 to 180 of about 5,891 (210)
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Microbial degradation and valorization of poly(ethylene terephthalate) (PET) monomers
World Journal of Microbiology and Biotechnology, 2022The polyethylene terephthalate (PET) is one of the major plastics with a huge annual production. Alongside with its mass production and wide applications, PET pollution is threatening and damaging the environment and human health. Although mechanical or chemical methods can deal with PET, the process suffers from high cost and the hydrolyzed monomers ...
Rui Gao +4 more
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Recycling of poly(ethylene terephthalate) (PET)
Makromolekulare Chemie. Macromolecular Symposia, 1992AbstractAfter a survey of the mostly utilized recycling methods for fibres and bottles, the possibilities of recovering films are discussed in more detail. This presentation describes primarily the melt‐recovery method, which is used by us and by other manufacturers.
W. De Winter +3 more
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Analysis of Poly(Ethylene Terephthalate) (PET) by XPS
Surface Science Spectra, 1994Poly(ethylene terephthalate) is used in numerous industrial applications. Successful medical applications are in the area of cardiovascular surgery. Its chemical functionality makes it propitious to grafting biochemical compounds; surface modification by plasma treatment may also be used to improve biocompatibility and modify wetting properties.
Aurora Doren +2 more
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Chemical recycling of poly(ethylene terephthalate) (pet) by hydrolysis and glycolysis
Environmental Science and Pollution Research, 2003In this paper we review an interesting method of PET recycling, i.e. chemical recycling; it is based on the concept of depolymerizing the condensation polymer through solvolytic chain cleavage into low molecular products which can be purified and reused as raw materials for the production of high-quality chemical products. In this work our attention is
CARTA, DANIELA +2 more
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Photo-Initiated Lamination of Polyethylene (PE) and Poly(ethylene terephthalate) (PET)
Journal of Adhesion Science and Technology, 2012Besides plasma-based processes, photo-initiated surface modifications have an interesting potential for adhesion promotion. This is of special interest with applications ranging from classical finishing to composites. Photo-chemical processes using continuous UV sources — monochromatic as well as broad band — are based on radical activation and ensuing
Bahners, Thomas, Gutmann, Jochen Stefan
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Crystallization of poly(ethylene terephthalate) (PET) from the oriented mesomorphic form
Journal of Applied Polymer Science, 1994AbstractYarns of different inherent viscosities, in the range 0.6–1.1 dL/g, spun in industrial plants, and drawn at room temperature to obtain mesomorphic samples, have been characterized. The evolution from the mesomorphic form toward the triclinic crystalline form has also been studied by combined differential scanning calorimetry (DSC), dynamic ...
L. PARRAVICINI +7 more
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Glycolytic recycle of poly(ethylene terephthalate) (PET)
Makromolekulare Chemie. Macromolecular Symposia, 1992AbstractIn a comparison of PET waste recovery methods, glycolysis to monomer (DHET + low MW oligomers) represents a compromise between regeneration of starting ingredients by methanolysis or hydrolysis and direct remelt extrusion. It is less costly than the former and more versatile than the latter.
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Molar mass of poly (ethylene terephthalate) (PET) during ultimate uniaxial drawing
Polymer Engineering & Science, 2000AbstractThe changes of the average molar mass Mw, Mn, Mz, and molar mass distributions during multistep uniaxial drawing of poly(ethylene terephthalate) (PET) to achieve ultimate mechanical properties have been studied in detail by means of size exclusion chromatography (SEC) with triple detection: concentration, viscosimetry, and light scattering ...
Göschel, U., Cools, P.J.C.H.
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Impact Response of Waste Poly Ethylene Terephthalate (PET) Composite Plate
2016Poly ethylene terephthalate (PET) is considered one of the most important engineering polymers for the last two decades due to its rapid growth of usage, aesthetic appearance, good light transmittance, and smooth surface. It is highly preferable for the food and soft drink bottle packaging industry because of its low gas permeability and recycling ...
Bilici, İbrahim +2 more
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Characterization of virgin and recycled poly(ethylene terephthalate) (PET) fibers
The Journal of The Textile Institute, 2014In this study, we compared the properties of recycled poly(ethylene terephthalate) (PET) fibers and virgin PET fibers. All these experiments present the differences or similarities between them on surface morphology, mechanical properties, and internal fiber structure.
Shan-Shan He +3 more
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